Because they are unwilling to risk their capital in turbulent markets, prices of all securities have become more volatile.
But, he said, no one was tracking the turbulent financial markets to take advantage of their swings.
In last week's turbulent market, conflicting economic reports seemed to signal an economy dangerously close to recession.
But European officials and economists differed over whether a cut of about $25 billion would calm turbulent financial markets.
He pointed out that bonds of large well-known companies have been the easiest to trade in the recently turbulent market.
Bowing to growing international pressure, Germany's central bank today lowered a key interest rate in an effort to calm the turbulent financial markets.
This should generate a more positive, if still turbulent market for the remainder of the year.
But Goldman sees the dollar rising about 7 percent, which adds to the risk in this already turbulent market.
"We have, however, reduced the size of our trading book to guard against further turbulent markets."
Earlier this year, the stock reached a high of $29.75, before falling along with the turbulent market.